Due to the possibility of transmitting germs of various diseases by ticks, the prognosis of the dog's chances of recovery must be very careful.
Diseases caused by ticks are: babesiosis, tymleriosis, mutaliozy. These are blood related diseases. Ticks also transmit viral diseases (tick-borne encephalitis) and bacterial, causing Lyme disease.
In place of, in which the head of the tick remained, inflammation in the form of edema may appear, guzka. Then you should go to the veterinarian, who will perform the surgery.